Sony CX-JTD8 - Note for Printed Wiring Boards and Schematic Diagrams

CX-JTD8
3737
6-7. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Circuit Boards Location
MOTOR (TB) board
TUNER PACK
DRIVER board
FRONT AMP board
I-BASS board
SURROUND AMP board
MAIN board
VIDEO board
TRANS board
SUB TRANS board
MICROPHONE JACK board
HEADPHONE JACK board
MICON-KEY board
CD KEY board
MB03 board
MOTOR (LD) board
SW board
RF board
SENSOR board
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
•Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– RF, MB, VIDEO Section –
no mark : DVD
– Other Sections –
no mark : FM
(): DVD PLAY
〈〈 〉〉 : TAPE PLAY
[]: REC
∗
: Impossible to measure
•Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : TUNER
d : TAPE PLAY
G : REC
J : DVD
c : DIGITAL OUT
q : MD (VIDEO) IN
N : MIC INPUT
g : VIDEO
•Abbreviation
EA : Saudi Arabia model
MY : Malaysia model
SP : Singapore model
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.